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Correct use of flush() in JPA/Hibernate
... implementation-dependent.
In general anyway, JPA providers like Hibernate can cache the SQL instructions they are supposed to send to the database, often until you actually commit the transaction.
For example, you call em.persist(), Hibernate remembers it has to make a database INSERT, but does not...
jQuery attr vs prop?
...box" checked>
has no attribute of checked, but it does have a property called checked.
So, in the final build of 1.6, attr does also do prop so that things didn't break. Some people wanted this to be a clean break, but I think that the right decision was made as things didn't break all over the ...
Can I publish a private NuGet package?
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Yes! You can host your own NuGet server!
The easiest way is creating a shared folder on your server and referencing that as your Nuget Server.
You can find more information about how to do that at: Hosting Your Own NuGet Feeds
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PermGen elimination in JDK 8
...se argument is permanent generation has been removed in HotSpot for JDK8 because of following drawbacks
Fixed size at startup – difficult to tune.
Internal Hotspot types were Java objects : Could move with full GC, opaque, not strongly typed and hard to debug, needed meta-metadata.
Simplify full ...
Is there a command for formatting HTML in the Atom editor?
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Atom does not have a built-in command for formatting html. However, you can install the atom-beautify package to get this behavior.
Press CTRL + SHFT + P to bring up the command palette (CMD + SHFT + P on a Mac).
Type Install Packages to bring up the package manager.
Type beautify into the sear...
Is there a CSS selector for the first direct child only?
...r browsers support this method, except IE6. If IE6 support is mission-critical, you will have to add classes to the child divs and use that, instead. Otherwise, it's not worth caring about.
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How to make Regular expression into non-greedy?
...s block. I used a regular expression object for in-string finding. But how can I tell jQuery to find multiple results when have two special character or more?
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What's the difference of ContentType and MimeType
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What's the main difference between the
each one, and when is right to call
something mimetype as opposed to
content-type ? Am i being pitty and
grammar nazi?
The reason isn't only backward compatibility, and I'm afraid the usually excellent Django documentation is a bit hand-wavy about ...
C++ Double Address Operator? (&&)
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This is C++11 code. In C++11, the && token can be used to mean an "rvalue reference".
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check if directory exists and delete in one command unix
... a single command? I have situation where I use ANT 'sshexec' task where I can run only a single command in the remote machine. And I need to check if directory exists and delete it...
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